This is a 2-pack black 20 grit replacement stones for the C497-01

including a Pencil Tip Nozzle

Use for tying concrete reinforcing bars

Blade size capability 12" or 14"

Kraft 12" X 14" 1/4"R 1/4"D All Steel Walking Groover With Mounting Bar And Clevis Bracket Floor Scraper Machine This is a 2-pack blackHeavy duty groover cuts clean, smooth professional control joints every time. Uniquely made from the quality steel with a broken in face that won't wear out with extended use like stainless steel. The tool creates a groove in wet cement to control expansion and contraction and relieve stress points. This 12" groover features a bit that has a 1 4" radius and is 1 4" deep. The radius creates a smooth edge to prevent that edge from chipping with wear.